X-Linked Inheritance. X-Linked Inheritance. Traits that are determined by alleles carried on the X chromosome are referred to as X-linked. X-linked alleles require a specific notation: X c or X + where the â+â represents the dominant allele and the lowercase letter the recessive allele.
Owners of the Swiss cheese plant may wonder about its unusual appearance ( RF Company / Alamy) Swiss cheese plants are climbers that grow in the understorey of tropical American forests and are technically hemiepiphytes. That is, they start off in the ground like any normal plant.
Or to put it another way, if you understand your Swiss cheese plant, youâre halfway to understanding most things. â¢Ken Thompson on the Kew funding crisis: the world needs more plant science. Ken Thompson is a plant biologist with a keen interest in the science of gardening.